siemens. answers. >>> michael, thank you again for joining us tonight for a very lively hour, as always. >> thank you. >> do something. make your voice known. that's all for us tonight. anderson cooper starts now. >>> early in the war, cnn's chief medical correspondent dr. -- captions by vitac -- www.vitac.com >> breaking news tonight. ten years after we found chemical weapons in iraq, possibly using the chemical weapons that we know he has right now. >> you're going to hear from one very brave and lucky young man tonight. >>> michelle bhrks achman, she claims that president obama is wasting her money on his lavish lifestyle. we tracked her down and asked her to see how she responded. basically, she wouldn't stop walking or running, almost. we begin now with breaking news. news that just triggered military action by the united states in syria. the news tonight that the possib possibilitity might be doing the one thing that could trigger american military action. might be using chemical weapons